A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluating GAC Adsorbers for the Removal of PCBs and Toxaphene
The research described here investigated the effectiveness of activated carbon adsorption for the removal of polychlorinated biphenyls (PCBs) and toxaphene from organic‐free water (OFW) and humic acid background solution, using bench‐scale equilibrium and rate tests. In addition, complexation experiments were conducted to assess the extent of association between the target pollutants and humic acid (HA). The dispersed‐flow homogeneous surface diffusion model was satisfactory for predicting the performance of fixed‐bed adsorbers for removing PCBs from OFW. When HA was present, carbon capacity was greatly reduced because of complexation and competitive adsorption effects, and the adsorber dynamics were complicated by the presence of various species such as unassociated HA and pollutant–HA complexes.
Evaluating GAC Adsorbers for the Removal of PCBs and Toxaphene
The research described here investigated the effectiveness of activated carbon adsorption for the removal of polychlorinated biphenyls (PCBs) and toxaphene from organic‐free water (OFW) and humic acid background solution, using bench‐scale equilibrium and rate tests. In addition, complexation experiments were conducted to assess the extent of association between the target pollutants and humic acid (HA). The dispersed‐flow homogeneous surface diffusion model was satisfactory for predicting the performance of fixed‐bed adsorbers for removing PCBs from OFW. When HA was present, carbon capacity was greatly reduced because of complexation and competitive adsorption effects, and the adsorber dynamics were complicated by the presence of various species such as unassociated HA and pollutant–HA complexes.
Evaluating GAC Adsorbers for the Removal of PCBs and Toxaphene
Pirbazari, Massoud (author) / Badriyha, Badri N. (author) / Kim, Sung‐Hyun (author) / Miltner, Richard J. (author)
Journal ‐ American Water Works Association ; 84 ; 83-90
1992-02-01
8 pages
Article (Journal)
Electronic Resource
English
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